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Finding the Fourth Proportional to 36,518.50, 50,395.62 and 19,751.50

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Solution

The fourth proportional to 36,518.50, 50,395.62 and 19,751.50 is: 27,257.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,518.50 : 50,395.62 = 19,751.50 : x
  2. Step 2: Convert to fraction form
    36,518.50/50,395.62 = 19,751.50/x
  3. Step 3: Cross multiply
    36,518.50x = 50,395.62 × 19,751.50
  4. Step 4: Simplify right side
    36,518.50x = 995,389,088.43
  5. Step 5: Solve for x
    x = 995,389,088.43/36,518.50
  6. Step 6: Final answer
    x = 27,257.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.